I'd say in the past is was solely for vanity, but now it's definately a combination of the two. Not only does my body now resemble nothing more than a lump of squashed uncooked pastry, but I can feel the difference in my body. I can barely reach my feet, my stomach gets in the way if I bend over, my knees click, my shins hurt when I run, I get out of breath other next to nothing and absolutely everything wobbles!! I've got a wardrobe full of clothes I can't fit into, and I'm longing to go shopping for some nice clothes, but i'm not doing that till i know the clothes are in a size I want to keep!
Anyway, they're my reasons for sticking to it this time, and I hope they're enough to keep me on track!